Species Whose Influences on Ecosystems Are Greater Than Would Be

question 131

Multiple Choice

Species whose influences on ecosystems are greater than would be expected, based on their abundance, are called

• A) primary producers.
• B) secondary consumers.
• C) flagged species.
• D) keystone species.
• E) disturbance specialists.

---

Definitions:

Sense Receptors

Specialized cells or organs in the body that detect and respond to external stimuli, such as light, sound, or pressure.

Fovea

A small, central pit in the retina of the eye where visual acuity is highest due to a high concentration of cones.

Cones

Cells in the eye's retina known as photoreceptors that enable color perception and operate optimally in well-lit conditions.

Retina

The light-sensitive layer of tissue at the back of the inner eye that converts light images into neural signals sent to the brain.